Round braiding machine



June 2, 1931-. s. HORN ROUND BRAIDING MACHINE Filed-Dec. 2e 1, 1928 2SheetS -Sheet 1 INVEHT'O'R. GAIIII HORN- BY 7alawmr c ATT o rv l rf June2, 1931. G. HORN 1,808,463

ROUND BRAIDING MACHINE FiledDec. 28. 1928 2 Sheets-Sheet 2 TKJV'BNT'ORGlluao NORM 3r ArToRr/rrfs.

Patented June 2, 1931 UNITED- STATES GUIJ JO HORN, F WEISSENSEE, NEARBERLIN, GERMANY ROUND BRAIDING MACHINE Application filed December 28,1928, Serial No. 2,29,042 and in Germany December 29; 1927.

ing or sweeping about the centre of amachine,

describes a rotary movement about its own axis. The inventionparticularly alms at avoiding this rotation and the t'wlstresultingtherefrom, and attains this aim by causing the travelingcarriers to be so rotated continuously with the aid of gear-wheels, thatthe rotation or twisting of the thread caused by the'traveling orcircling round'the its centre of the machine is neutralized, i. e. in

otherwords that a return mo-vement-or com- 'pensating movement isefi'ected. Such a machine will" be found particularly useful for thebraiding of telephone-cable, connecting the receiver with thetelephone-apparatus proper. as well as for cables for radio-deviceswhich are to be prevented from twisting or, in other words, fromdescribing a rotary movement about their own axes. The continuousrotation of the carriers with the aid of gear-wheels renders possible anextraordinarily high eificiency of the machines in conjunction with longlife. I

The invention has been represented, by way of example, in the drawings,in' which 'Fig. 1- is a top-view of a. machine constructed in accordancewith the invention, whereas Fig; 2represents an enlarged part sectionalview of the machine in accordance with Fig. 1. r

In the drawing 1 represents a stationary central post or bearing memberattached to the base-plate 1a,- while 2 designates a wheelbocly which isjournaled on said member 1 and provided with a rim-gear 3 and a rimgear4. 5 is a carriage supporting a carrier 6 capable of rotation about anaxis eccentric to the central bearing member 1. The carriage 5 ismovable circumferentially along a track 7 which is curved centrically tothe centre of the machine. The carriage 5 is provided with teeth 8,which effect an operative connection with the rim-gear 3 through themedium of bevel-wheels 3a' 'mounted on the" support of the track 7, insuch a manner, that the carriage=5-meveein theeppoate div rection to therotation of the rim-gear 3 when the latter is turned. Upon the-carrier'and capable of rotation'within'the car riage 5, a sleeve 9 hasbeen'provided carrying a gear-wheel 10' meshing with the rim-gear 11co-axia'l with therim gea'r's 3 and 4. The gear-wheel 10 is made tosupport a dual gear wheel 12, 13 of which the wheel 12 is larger thanthe gear-wheel 13. The'gear Wheel-IQ engages in a gear-wheel 14' whichis rigidly connected with the sleeve 9, whilst the gearwheel 13 is madeto engage in a gear-wheel 15 located on the'carriage or support 5' andnon-rotatable relatively thereto. The rimgear 11 is formed upon thewheel-body 16 which by means of the bevel-wheel 17is r0- tated'inthesame direction'as thewheel' body 2, but at adifferent speed. The wheelbod y 16 supports a dual tooth-wheel 18-, 19-,of which the wheel 18meshes with the rimgear 4, while the gear-wheel l9eng'agesin agear-wheel 20 also supported by the wheelbody 16. 21 is a ring supportedby rollers 21a, of which only one roller is shown and which in theirturn are supported by the part 16a, shown as integral with thewheel-body 16. TheringZl provided with internaland external teeth iscaused totravel in-a circular path round the centre of the machinethrough the medium of its internalteeth and thegearwheel 20, whilst itengages with its external teeth in a further gear-wheel 22 alsosupported by the part 16a of the Wheel-body'-16 The gear-wheel 22 isrigidly connected with a carrier 24 with the aid of a'sleeve 231- Inthis way the gear-wheelsl9c2o and 22' inconjunction with thetoothed-ring 21-have been rendered capable of turning the carrier 24:round the axis of its sleeve 23. The thread is drawn from the spool ofthe carrier 24 through the sleeve 23 and subsequently guided to thebraiding point 26 with-the aid of thread-guides, of which only theguidingrollers are shown in the drawings, and

which are actuated in a manner well known 25 are adapted to pass thethread of the can ne 2 at e tain tim as shownn r below the spool of thecarrier 6 and then again to lift it above this spool. The carrier 6 hasfurther been provided with a disk 27 of circular shape intended andsuitable for keeping the thread always away from the rim of thegear-wheel 10. In the track 7 and the rim-gear 11 notches or gaps 28 maybe provided, in which the thread may find a place when in its lowermostposition. The rollers 21a have been designed in the shape of an obtusecone in such a manner, that the apex of the cone is made toapproximately coincide with the central axis of rotation of the machine.The thread-of the spool of the carrier 6 is also passed to the braidingpoint 26, through the sleeve 9. hen the wheel 10 is moving along thegear-rim 11, it will cause the dual wheel 12, 13 to describe a rotarymovement round the axis of the carrier 6. The rotation of this carrier 6is the result of the movement of the gear-wheel 13 along the gear-wheel15 fixed to the carriage 5, whereby'the gear-wheel 12 is also rotated,causing in its turn the gear-wheel 14 and simultaneously the carrier 6to rotate about the axis of the sleeve 9. Preferably the gearwheelratios are so chosen, that with each travel or revolution of the spoolsround the central axis of the machine, the carriers 6 and 24 willperform a single revolution about their axes ofrotation. As explained inthe introductory part of this specification, the purpose of thisrotation of the carriers about their individual axes is to compensate orneu tralize the twisting of the thread resulting from the revolution ortravelling of the carrier about the center of the machine. The rotationof the carriers about their individual axes must, of course, be in theproper direction to effect such compensation or neutralization of thetwist, so that the resulting article will have no longitudinal twist. Asingle revolution of the carriers about their individual axes, in theproper direction, must be employed in order to obtain suchneutralization, since if the revolution of a carrier about its own axiswere more or less than a single revolution, the twist due to the bodilytravel of the carrier about the center of the machine would notbecompensated. If required, however, the gear-wheel ratio may be sochosen, that any additional rotation or counter-rotation may be impartedto the material it is intended to braid.

The gear-wheels 3a, situated between the rim-gear 3 and the teeth 8 ofthe carriage are mounted rotatably on the support of the track 7.

I claim 1. In a round braiding machine, acarrier, adapted to rotateround an axis and to travel in a circular path about the centre of themachine, a gear-wheel concentric to the axis of rotation of the carrierand means, adapted ,to g ve the gear-wheel, durmg a revolution wheelengaging in the rim-gear, means between the said gear-wheels for thepurpose of transmitting the movement of the second gear-wheel to thefirst gear-wheel, and further means adapted to lead and to receive. athread without damaging it, when it is situated between the rim-gear andthe second gear-wheel.

4. In a round braiding machine in accordance with claim 1, a support forthe rotatable ca-rrier, a further gear-wheel located on said support andnon-rotatable relatively thereto, two further gear-wheels rigidlyconnected with each other, one of which is arranged to engage in thegear-wheel concentric to the axis of rotation of the carrier, and thesecond in'the non-rotatable gear wheel upon the support of the carrier,and means for. causing the gear-wheels rigidly connected with each otherto circle round the non-rotatable gear-wheel. r

5.- In a round braiding machine in accordance with claim 1, asupport'for the rotatable carrier, a gear-wheel located onsaid supportand non-rotatable relatively thereto, two further gear-wheels rigidlyconnected with each other, one of which meshes with the gear-wheelconcentric to the axis of rotation of the carrier and the second withthe non-rotatablegear-wheel upon the support of the carrier, and afurther gear-wheel for causing the gear-wheels rigidly connected witheach other to travelround the nonrotatable gear-wheel.

6. In a round braiding machine in accordance with claim 1,'a support forthe rotatable carrier, a gear-wheel located on said support andnon-rotatable relatively thereto, two further gear-wheels rigidlyconnected with each other, one of which is arranged to engage in thegear-wheelconcentric to the axis of rotation of the'oarrier and theother in the non-rotatable gear-wheel upon the support of the carrier, arim-gear concentric to the shaft of the machine and a further gear-wheelengaging in this rimgear, which is arranged to support the gearwheelsconnected with each other and to cause them to travel round thenon-rotatable gear-wheel.

7 In a round braiding machine in accordance with claim'l, a support forthe rotatable carrier, at gear-wheel locatedon said support andnon-rotatable relatively thereto, two further gear-wheels rigidlyconnected with each other, one of which is arranged to engage in thegear-wheel concentric to the axis of rotation of the carrier, whereasthe second wheel is made to engage in the. non-rotatable gear-wheel uponthe sup-port of the carrier, a rim-gear concentric to the axis of themachine, and, engaging in this rim-gear, a further gear-wheel arrangedto support the gear-wheels connected with each other and to cause themto travel round the non-rotatable gear-wheel, these two connectedgear-wheels having difierent diameters.

8. In a round braiding machine two rows of carriers circling in oppositedirections round the centre of the machine, and means adapted to rotateeach carrier of each row continuously about its individual axis.

9. In a round braiding machine in accordance with claim 8 gear wheelsfor rotating each of'the carriers of-each row about its individual axisas said rows circle about the center of the machine.

10. In a round braiding machine, a carrier which is adapted to rotateabout an axis and to circle about the centre of the machine, agear-wheel concentric to the axis of rotation of the carrier, furthergear-wheels, a ring with internal and external teeth arrangedconcentrically to the centre of the machine, adapted to travel about thecentre of the machine and further adapted in conjunction with saidgear-wheels to rotate the gear-wheel concentric to the axis of rotationof the car men 11. In a round braiding machine in accordance with claim10, a roller as support for the movable ring.

12. In a round braiding machine, a plurality of carriers each adapted torotate about an axis and to circle round the centre of the machine, agear-wheel concentrical to the rotation of each of the carriers, 'a ringwith internal and external teeth arranged concentric to the centre ofthe machine, said ring being adapted to travel round the centre of themachine and to engage said gear-wheels, and further gear-wheels adaptedto actuate said ring.

13. In a round braiding machine in accordance with claim 12, rollers assupports for the movable ring.

14. In a round braiding machine, two series of spool carriers adapted tocircle round the centre of the machine in opposite directions and torotate about their own axes, a gear wheel associated with each carrierand situated concentrically to the axis of rotation of the carrier andrigidly connected with the latter, means for continuously rotating thegear-wheels of the several carriers, a threadguide for each of thethreads of one series of carriers, a rim-gear concentric'to the centreof the machine, a gear-wheel for each carrier of the other series ofcarriers, such gearwheel engaging in said rim-gear, and means interposedbetween the last mentioned gear wheels and the rim-gear and adapted tolead and to receive a thread from one spool of the first series ofcarriers without damaging it when it is situated between this gear-wheeland the rim-gear.

15. In a round braiding machine in accordance with claim 14:, meansbetween the drive of the machine and the gear-wheels attached to thecarriers for the purpose of positively transmitting to said wheels themovement imparted to the machine.

16. A round braiding machine in accordance with claim 8, in which themeans for rotating the carriers about their individual axes is soconstructed as to give each carrier a single rotation during arevolution of the carriers about the center of the machine.

17. In a round braiding machine, a carrier mounted to rotate about anaxis and also to travel in a circular path about the center of themachine, and means, operated by such travel of the carrier, for givingsaid carrier, during a complete revolution about the center of themachine, a single rotation about said axis in such a direction as toneutralize the twist resulting from the rotation of the carrier aboutthe center of the machine.

In testimony whereof I aflix my signature.

GUIDO HORN.

